SI units and the newton
What SI units and the newton means in Physics A-Level, as defined for OCR.
Definition of SI units and the newton
Check what you remember
Read the wording for your board, then hide it and explain SI units and the newton in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
All quantities are checked to be in SI units, converting grams to kilograms and so on, and the newton is defined so that 1 N = 1 kg m s⁻².
Topics that use SI units and the newton
- Dynamics (OCR A-Level)
Related terms
- Drag
- Drag in gases
- Free fall with drag
- Friction
- homogeneity
- Isolating objects
- newton
- Resultant force and free-body diagrams
Using SI units and the newton in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Physics questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
A week of Premium from your first lesson · Then the free plan continues · No card, no charge